JEDEC standard reports Vpp integer part encoded as 4 bit HEX value. To print it using decimal digits, %u is required. Other voltage values are coded as BCD, so %x is appropriate. Code already prints one nibble at a time, so no need for field width and precision in format string. Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>